Finding the Fourth Proportional to 76,974,717.47, 106,224,264.62 and 41,691,645.39
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Solution
The fourth proportional to 76,974,717.47, 106,224,264.62 and 41,691,645.39 is: 57,534,012.69
Step by Step Solution
- Step 1: Write the proportion equation
76,974,717.47 : 106,224,264.62 = 41,691,645.39 : x - Step 2: Convert to fraction form
76,974,717.47/106,224,264.62 = 41,691,645.39/x - Step 3: Cross multiply
76,974,717.47x = 106,224,264.62 × 41,691,645.39 - Step 4: Simplify right side
76,974,717.47x = 4,428,664,372,246,334.50 - Step 5: Solve for x
x = 4,428,664,372,246,334.50/76,974,717.47 - Step 6: Final answer
x = 57,534,012.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.